4.2 km ≈ 2.2678 nmi. To convert kilometers to nautical miles, multiply by 0.5399568: 4.2 × 0.5399568 = 2.2678.
How to convert kilometers to nautical miles
nmi = km × 0.5399568
- 1 km = 0.5399568 nmi (and 1 nmi = 1.852 km).
- Multiply the amount by the factor: 4.2 × 0.5399568 = 2.2678.
- Answer: 4.2 km ≈ 2.2678 nmi (rounded to 6 significant figures).
Kilometers to Nautical Miles table
| Kilometers (km) | Nautical Miles (nmi) |
|---|---|
| 3.7 km | 1.9978 nmi |
| 3.8 km | 2.0518 nmi |
| 3.9 km | 2.1058 nmi |
| 4 km | 2.1598 nmi |
| 4.1 km | 2.2138 nmi |
| 4.2 km | 2.2678 nmi |
| 4.3 km | 2.3218 nmi |
| 4.4 km | 2.3758 nmi |
| 4.5 km | 2.4298 nmi |
| 4.6 km | 2.4838 nmi |
| 4.7 km | 2.5378 nmi |
| km | nmi |
|---|---|
| 1 km | 0.539957 nmi |
| 5 km | 2.6998 nmi |
| 10 km | 5.3996 nmi |
| 50 km | 26.9978 nmi |
| 100 km | 53.9957 nmi |
| 1,000 km | 539.957 nmi |
Good to know
1 inch = 2.54 cm exactly; 1 cm = 10 mm; 1 m = 100 cm; 1 foot = 12 inches = 30.48 cm.